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DaniilM [7]
3 years ago
5

Given the point (5, 6) and the slope of 5, find y when x = 21.

Mathematics
1 answer:
Vanyuwa [196]3 years ago
5 0
Y=mx+b

6=5(5)+b
6=25+b
-19=b

y=5x-19

y=5(21)-19
y=105-19
y=86

Final answer: y=86
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Veronica is choosing between two health clubs after how many months will the total cost for each health club be the same
Assoli18 [71]

Question:

Veronica is choosing between two health clubs. after how many months will the total cost for each health club be the​ same? yoga studio a: membership: $24.00 monthly fee: 21.50. yoga studio b: membership: $41.00 monthly fee: $17.25

Answer:

It takes 4 years for the total cost of each club to become equal

Step-by-step explanation:

Given:

For yoga studio A:

membership: $24.00

monthly fee: 21.50.

For yoga studio B:

membership: $41.00

monthly fee: $17.25

To Find:

Number of months after which the total cost for each health club be the​ same = ?

Solution:

Let   x be the number of months of membership, and   y  be equal the total cost.

For Yoga club A

y = 21.50 x + 24

For Yoga club B    

y = 17.25 x + 41.00

we know that the prices,   y , would be equal, we can set the two equations equal to each other.

21.50 x + 24 =17.25 x+ 41.00

Grouping the like terms,

21.50x - 17.25 x= 41.00 -  24

4.25x=17

x=\frac{17}{4.25}

x = 4

6 0
3 years ago
The perimeter of a circle is 132 cm calculate its radius and area ​
son4ous [18]

Answer:

r≈21.01cm

Step-by-step explanation:

I think that's the exact answer

4 0
3 years ago
How can I solve this proof?? PLZ HELP I DONT UNDERSTAND!! Thanks !!
love history [14]

Hello from MrBillDoesMath!

Answer:

See below


Discussion:

Triangles BAD and BCD are congruent by the SAS postulate.

          * Side AD = DC because BD is the perpendicular bisector  of AC.

          * Angle ADB and CDB are both right angles, and hence equal, because

            BD is the perpendicular bisector of AC)


Corresponding parts of congruent triangles are equal so angle BAD = angle BCD,  which was to be proven.


Regards,  

MrB

8 0
3 years ago
Rewrite the following expression using base only once 7^6 x 7^8
chubhunter [2.5K]

Answer:

7^{14}

Step-by-step explanation:

Using the rule of exponents

a^{m} × a^{n} = a^{(m+n)} , then

7^{6} × 7^{8} = 7^{(6+8)} = 7^{14}

3 0
3 years ago
-2(3x-3)=4x please help solve for x=
Llana [10]

Answer:

exact form:

x= 3/5

Decimal form:

x=0.6

6 0
3 years ago
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